How much does sleep study (in-lab polysomnography) cost in Baltimore, MD?

Prices below come from each hospital's federally required price file. Most recent hospital file date: July 1, 2026. Last verified by PriceCheck: July 19, 2026. CPT 95810.

Median commercial rates on file run from $342 (MedStar Union Memorial Hospital) to $1,357 (MedStar Harbor Hospital) — 4.0× apart for the same procedure in the same metro. That spread is why this page exists.

Facility rates by hospital

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Lowest commercial

MedStar Union Memorial Hospital

Baltimore, MD

Cash / self-pay

$335

Commercial

$342

median of 11 plans

Medicare

$342

median of 2 plans

Medicaid

$342

median of 4 plans

hospital file · April 1, 2026 reported by the hospital · not a quote

MedStar Franklin Square Medical Center

Baltimore, MD

Cash / self-pay

$574

Commercial

$586

median of 11 plans

Medicare

$586

median of 2 plans

Medicaid

$586

median of 4 plans

hospital file · April 1, 2026 reported by the hospital · not a quote

MedStar Good Samaritan Hospital

Baltimore, MD

Cash / self-pay

$899

Commercial

$917

median of 11 plans

Medicare

$917

median of 2 plans

Medicaid

$917

median of 4 plans

hospital file · April 1, 2026 reported by the hospital · not a quote

Greater Baltimore Medical Center

Towson, MD

Cash / self-pay

$1,441

Commercial

$943

median of 13 plans

Medicare

$669

median of 9 plans

Medicaid

$628

median of 2 plans

hospital file · July 1, 2026 reported by the hospital · not a quote

MedStar Harbor Hospital

Baltimore, MD

Cash / self-pay

$1,330

Commercial

$1,357

median of 11 plans

Medicare

$1,357

median of 2 plans

Medicaid

$1,357

median of 4 plans

hospital file · April 1, 2026 reported by the hospital · not a quote

Johns Hopkins Bayview Medical Center

Baltimore, MD

Cash / self-pay

$1,908

Commercial

—

Medicare

—

Medicaid

—

hospital file · April 1, 2026 reported by the hospital · not a quote

Luminis Health Anne Arundel Medical Center

Cash / self-pay

$842

Commercial

—

Medicare

—

Medicaid

—

hospital file · January 15, 2026 reported by the hospital · not a quote

Mercy Medical Center

Cash / self-pay

$4,553

Commercial

—

Medicare

—

Medicaid

—

hospital file · January 1, 2026 reported by the hospital · not a quote

Northwest Hospital Center

Cash / self-pay

$1,644

Commercial

—

Medicare

—

Medicaid

—

hospital file · April 29, 2026 reported by the hospital · not a quote

Sinai Hospital of Baltimore

Baltimore, MD

Cash / self-pay

$2,799

Commercial

—

Medicare

—

Medicaid

—

hospital file · April 29, 2026 reported by the hospital · not a quote

The Johns Hopkins Hospital

Baltimore, MD

Cash / self-pay

$4,146

Commercial

—

Medicare

—

Medicaid

—

hospital file · April 1, 2026 reported by the hospital · not a quote

UMMC Midtown Campus

Cash / self-pay

$3,150

Commercial

—

Medicare

—

Medicaid

—

hospital file · November 5, 2025 reported by the hospital · not a quote

University of Maryland Medical Center

Baltimore, MD

Cash / self-pay

$2,192

Commercial

—

Medicare

—

Medicaid

—

hospital file · November 5, 2025 reported by the hospital · not a quote

Hospital	Cash / self-pay	Commercial	Medicare	Medicaid	Source & file date
Luminis Health Anne Arundel Medical Center	$842	—	—	—	hospital fileJanuary 15, 2026
Sinai Hospital of BaltimoreBaltimore, MD	$2,799	—	—	—	hospital fileApril 29, 2026
Northwest Hospital Center	$1,644	—	—	—	hospital fileApril 29, 2026
Greater Baltimore Medical CenterTowson, MD	$1,441	$943median of 13 plans	$669median of 9 plans	$628median of 2 plans	hospital fileJuly 1, 2026
MedStar Harbor HospitalBaltimore, MD	$1,330	$1,357median of 11 plans	$1,357median of 2 plans	$1,357median of 4 plans	hospital fileApril 1, 2026
MedStar Good Samaritan HospitalBaltimore, MD	$899	$917median of 11 plans	$917median of 2 plans	$917median of 4 plans	hospital fileApril 1, 2026
The Johns Hopkins HospitalBaltimore, MD	$4,146	—	—	—	hospital fileApril 1, 2026
Mercy Medical Center	$4,553	—	—	—	hospital fileJanuary 1, 2026
UMMC Midtown Campus	$3,150	—	—	—	hospital fileNovember 5, 2025
Lowest MedStar Union Memorial HospitalBaltimore, MD	$335	$342median of 11 plans	$342median of 2 plans	$342median of 4 plans	hospital fileApril 1, 2026
MedStar Franklin Square Medical CenterBaltimore, MD	$574	$586median of 11 plans	$586median of 2 plans	$586median of 4 plans	hospital fileApril 1, 2026
Johns Hopkins Bayview Medical CenterBaltimore, MD	$1,908	—	—	—	hospital fileApril 1, 2026
University of Maryland Medical CenterBaltimore, MD	$2,192	—	—	—	hospital fileNovember 5, 2025

Commercial / Medicare / Medicaid figures are the median of that hospital's listed plan rates in the class. Click a hospital for its full per-plan ledger.

What these numbers are — and aren't. These are facility rates hospitals publish under the CMS Hospital Price Transparency rule (45 CFR Part 180). They are price information, not a quote or guarantee. Physician, anesthesia, radiology, and pathology services usually bill separately. Your actual cost depends on your insurance plan, deductible, and how the visit is coded. How we read hospital price files →

Common questions

How much does sleep study (in-lab polysomnography) cost without insurance in Baltimore, MD?

Based on hospital-published price files, discounted cash (self-pay) facility rates for Sleep study (in-lab polysomnography) in Baltimore, MD range from $335 at MedStar Union Memorial Hospital to $4,553 at Mercy Medical Center (13 hospitals listing a cash rate). Facility rates only — physician, anesthesia, radiology, and pathology bill separately.

Which hospital in Baltimore, MD lists the lowest price for sleep study (in-lab polysomnography)?

Comparing each hospital's median commercial-insurance rate in its price file, MedStar Union Memorial Hospital lists the lowest ($342, median of 11 plan rates) and MedStar Harbor Hospital the highest ($1,357, median of 11 plan rates). What you actually pay depends on your plan's network, deductible, and coinsurance.

Where do these prices come from?

Every price on this page comes directly from the machine-readable file (MRF) each hospital is federally required to publish under the CMS Hospital Price Transparency rule (45 CFR Part 180). We show each hospital's file date and link to the source. These are price disclosures, not quotes.